John Root d. 26 Apr 1844 Barkhamsted, CT - Source?

John Root d. 26 Apr 1844 Barkhamsted, CT - Source?

I've seen postings and family trees showing John Root b. Dec. 28, 1777 in Waterbury, New Haven,CT and d. April 26 1844 in Barkhamsted, Litchfield, CT. But I have never seen a source for the death date and place.